Multiple choices :
A. test for chemicals that might poison fish and cause algae to grow
B measure the dissolved oxygen content in pond-water samples
C look for sources of pollution that may be affecting the pond
D measure the amount of light at various levels in the pond
Answer;
D. measure the amount of light at various levels in the pond
Fish in the pond feeds on the algae that grows in the pod.
Therefore; death of fish in the pond caused a large increase in algae populations.
Measuring the amount of light in the pond would not tell the student what caused the death of the fish in the pond.
Answer:
wrong subject but okay. The answer is (C). why?
Explanation:
Because the moon <u><em>IS</em></u> personified as an old man, the moon has been around for millions of years, therefore making the moon old, get it? Also post this on english or writing, not biology.
Hope you have a good day! Byeee <3333
The rigth answer is 14.7N
The law of gravitation thus makes it possible to calculate a force exerted between two objects. In a terrestrial reference system, we can then calculate the force exerted between the Earth and an object.
The law applied in this case is P = mass x g (gravitational constant = 9.8 N / kg)
if a book weighs 1.5 kg then: P = 1.5 x 9.8 = 14.7N
Chromosomes assist in the process of cell division by distributing DNA.<span> They act as a container to hold in the DNA molecules
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Every living creature relies on cell division for its existence. Cell division is essential for the organism to grow and function. In order for cell division to occur, new cells need to receive the genetic information contained in the DNA. Because DNA molecules are too large to fit inside the cells, chromosomes ensure that the DNA makes it to the cells by holding them in and keeping them attached to proteins known as histones.
If the structure of a chromosome changes before being transferred to the new cell, malformations can occur. Similarly, if the number of chromosomes is incorrect, it can create a genetic defect. Illnesses, such as cancer, may occur as a result of a defective chromosome. Down syndrome is an example of a condition that is caused by a chromosomal error. A person with Down syndrome has an extra copy of their 21st chromosome.
Genetic information is contained in the DNA and carried by the chromosomes. This material influences the traits and characteristics inherited by the offspring. Traits, such as flower color and seed shape, in plants are determined by this genetic information. In humans, the offspring inherits two sets of chromosomes, one from each parent. The combination of these sets determines characteristics like hair color, eye color, height, and gender. Information about gender is set by the X and Y chromosomes. Males have an X chromosome and a Y chromosome, while females have a pair of Y chromosomes.
